Thread (5 messages) flat view 5 messages, 2 authors, 2010-07-13

Re: [PATCH 06/12] net: autoconvert trivial BKL users to private mutex

From: David Miller <davem@davemloft.net>
Date: 2010-07-13 03:35:39
Also in: lkml

From: Arnd Bergmann <arnd@arndb.de>
Date: Sun, 11 Jul 2010 23:18:57 +0200
All these files use the big kernel lock in a trivial
way to serialize their private file operations,
typically resulting from an earlier semi-automatic
pushdown from VFS.

None of these drivers appears to want to lock against
other code, and they all use the BKL as the top-level
lock in their file operations, meaning that there
is no lock-order inversion problem.

Consequently, we can remove the BKL completely,
replacing it with a per-file mutex in every case.
Using a scripted approach means we can avoid
typos.
 ...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Applied.
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